otplusprompts
A collection of OT3/OT+ prompts
488 posts
I don't make prompts (yet), this is just a collection!
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otplusprompts · 24 hours ago
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Do you have any prompts for a polyamorous relationship where A and B are together, B and C are together, but A and C aren't? Anything from A and C being friends / brotp to hating each other but loving B so darn much.
Character A is in hospital. Character C supports Character B (and Character A?) during the time.
Character A and Character B are out together when they run into Character C.
Character B has to leave the town for a while and Character A and Character C support each other during their absence.
Character A needs professional help from Character C.
Character A has known Character B longer and helps Character C pick a gift for Character B.
Character A and Character B are considering having/raising children together and Character C isn’t sure how to feel about it.
Character A and Character C decide to hang out to get to know each other better.
Character B has to decide whom to spend the holidays with.
Character A hates hearing Character B talking about Character C.
Character B hates Character A and Character C talking ill about each other.
Character B accidentally double schedules dates.
Character A’s family/friends don’t know Character B is also involved with Character C.
Character B forgets a gift for Character A at Character C’s place.
Character A breaks up with Character B and it affects Character B and Character C’s relationship as well.
Character A and Character C think Character B may be interested in another person so they band together to investigate.
Another prompt set on polyamory can be found here.
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otplusprompts · 2 days ago
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Ot3 Prompt #25
Person A, B, and C all work together in a café. Person A and B like to goof off and make-out instead of working while C tries to get them to work, but gets kissed instead of an apologies. Bonus Points if C gives in and they all get fired bc none of them do their jobs-
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otplusprompts · 3 days ago
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Imagine your OT3 watching Mamma Mia! and Mamma Mia!: Here We Go Again and singing along. Bonus: They spend the next few weeks singing ABBA song whenever they can.
Thanks for the prompt! :D
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otplusprompts · 4 days ago
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Imagine your OT3 getting into a silly argument. Person A is shorter than their partners so B and C cannot stop thinking how adorable A is when they’re angry.
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otplusprompts · 5 days ago
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Ot+ Prompt #5
"There are [number] of people living here! Yet no one has the time to wash the dishes?!"
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otplusprompts · 6 days ago
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Person A: Ahh finally, peace and quiet. Person B: Yeah, quiet... Person B: Wait, where's Person C? Person A, running off to find them: OH SHI- Person C, who was calmly reading beside Person B: They think I'm up to something
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otplusprompts · 7 days ago
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Could you help me with some prompts? Person A is kind of bluntly honest, has a hard time communicating their feelings and can come as aloof and even rude, but B and C know that A is just trying to help others, they are just dumb when it comes to feelings. Person B is gentle and loving to everyone, but they tend to put others before them and end up carrying their problems. Person C is carefree, goofy and extrovert. Helps to relieve A and B's stress, as both tend to push themselves over the limit.
- Imagine A and B being extremely overwhelmed and C wanting to do something about it. They decide to have a day where they do everything that A and B want. They watch their favorite shows, go out to their favorite places, eat their favorite food, etc. A and B count themselves lucky to have such a wonderful partner.
- Restaurant AU where each member of your OT3 owns a restaurant on the same street, although they specialize in different things. They are dislike each other, but once they get to know the others, they fall in love.
- The Devil Wears Prada AU where Person A is the chief editor of a [insert theme] magazine and Persons B and C are their assistants.
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otplusprompts · 8 days ago
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Couples and poly romance drawing references
SenshiStock To Go - Romance Outtakes by SenshiStock
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otplusprompts · 9 days ago
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imagine your polyship all playing neopets
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otplusprompts · 10 days ago
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It's snowing! Person A drags B and C outside to make a snowman
Person B is grumpy as heck(but person A is happy so they're happy)
Person C is too sleepy to even know what's happening
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otplusprompts · 11 days ago
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High School AU: Person A is the “popular” one. They are the [insert sport] captain, president of [insert club], and loved by everyone. Person B is the shy and introverted one that no one knows they exist. Person C is the one that only focuses on their academics and nothing else.
They each have a crush on the others but don’t know what to do about it. Eventually, they get put to work in a group and they are all complete mush around the others. Fluff, humor, and panic ensue.
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otplusprompts · 12 days ago
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imagine your ot3 sharing an apartment. persons a and b have been together for a while but choose to share an apartment with person c to cut down on costs. the apartment only has one bedroom, though, which persons a and b share.
person c says it’s fine if they sleep out on the couch, even though persons a and b show concern (c says there’s nothing they can do about it, anyway so why worry)
this goes on for a while and eventually persons a and b just invite person c to sleep with them
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otplusprompts · 13 days ago
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Imagine your OT3 playing video games.
Who swears to destroy everyone in the game?
Who sucks at video games?
Who doesn’t know what they’re doing yet ends up winning?
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otplusprompts · 14 days ago
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Imagine your ot3
A and B inhaled helium, now they’re talking in high pitched voices to each other, nearly dying of laughter.
C stands next to them and films the scenario with a hint of a smile on their face. 
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otplusprompts · 15 days ago
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3 all the way up to 10 people holding hands! tried to fit as many as i could!
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otplusprompts · 16 days ago
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💜 ← OT3 Prompts → 💜
- A and B are two chaotic and stupidly competitive best friends who are fighting over C. Little do they know, C likes them both and has devised an entire master plan to get the three of them into a relationship. A and B already act like an old married couple - how hard could this be?
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- C was accepted into a boarding school late. When they arrive, it turns out there’s a shortage of rooms and now they have two roommates rather than one. As it turns out, A and B are…close (as C unfortunately had to discover). Now, A and B, having both decided C is very cute, have made a bet on just how awkward/flustered they can make C before they snap.
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- A, B and C were the best of friends in high school but they drifted apart after graduation (leaving all that romantic tension sadly unresolved). Years later, by coincidence, A and B find one another again and it’s like nothing has changed. Except, C is missing and their disappearance hangs in the air like a nagging question mark between A and B. They decide that they have to find C which turns out to be a lot harder than they expected but in the name of best friendship and love and polyamorous rights, they end up driving back to their hometown, seeing C’s family and then making a week-long roadtrip across the country on a quest to find C.
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- A has a big ol’ crush on B but despite their tough/cocky reputation, have no idea how to go about asking out this God/dess of a person and stutter everytime they’re around B. Enter person C (A’s best friend and ultimate wingperson) who takes their job VERY seriously and think they are being subtle. B, however, has double the braincells of A and C combined and knows exactly what’s going on but they think all of this is adorably sweet of C and it’s working except they’re falling madly in love with A and C.
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- A thinks BC are dating. C thinks AB are dating. B is completely clueless to this miscommunication and thinks they’re just inviting their two best friends to hang out all the time, oblivious to the awkward tension between A and C.
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- When C finds themselves pregnant and with no place to go, a good friend of theirs (B) takes them in and insists they stay at their apartment which they share with their S/O, A. A and B are now very invested in C and their yet-to-be-born child and do everything they can to support C. They even start reading parenting books and at least one of them accompanies C to all of their appointments/parent meets. So much so, C and A/B are often mistaken for a couple and with the way that A and B are acting, they might as well all be together at this point.
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otplusprompts · 17 days ago
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In your OT3 
Who doesn’t know that aluminum foil shouldn’t go in the microwave. 
Who’s the little shit that doesn’t say anything cause they think it can’t go that badly 
And who comes home to a crispy microwave and the other two rubbing burn cream on each other
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